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The Profile Racing Imperial sprocket is CNC machined from 6061 aluminum in the USA! The Imperial is a “bolt-on” style and requires only one screw to attach to the crank arm. Only available for 19mm axles. Tooth width 3/32". Supplied with 19mm silver steel insert. The widest variety of sizes and colors of ANY sprocket ever! Weight: 116g.
The Profile Signet Universal Guard Sprocket is machined from 6061 aluminum, made in the USA by Profile Racing. The Signet Guard is a unique “universal” sprocket. It uses an adapter insert to make the sprocket compatible with spline drive or bolt on style cranks. The adapter is available for 19mm, 22mm, & 24mm axle sizes. One sprocket fits all! A...